X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fwidget.cpp;h=0128367c2b32a6a6c54ae458b3d3a994b38cdf2e;hb=48fd4db84c4d0b43305d85f74de99eb4fef04fd6;hp=7d608f2ce8d32980505f3fde37e8df91a3bb35de;hpb=8ffcd589660022f05d8b3b1dbb36c0c0aa91954a;p=libs%2Fgltk.git

diff --git a/source/widget.cpp b/source/widget.cpp
index 7d608f2..0128367 100644
--- a/source/widget.cpp
+++ b/source/widget.cpp
@@ -7,6 +7,7 @@ Distributed under the LGPL
 
 #include <msp/gl/matrix.h>
 #include <msp/gl/transform.h>
+#include <msp/strings/formatter.h>
 #include "panel.h"
 #include "resources.h"
 #include "widget.h"
@@ -70,7 +71,7 @@ void Widget::set_visible(bool v)
 void Widget::render() const
 {
 	if(!style)
-		throw InvalidState("Attempt to render a widget without a style");
+		throw InvalidState(format("Attempt to render a widget without a style (class=\"%s\")", get_class()));
 
 	GL::push_matrix();
 	GL::translate(geom.x, geom.y, 0);